MeowLover17
  • MeowLover17
The label on the car's antifreeze container claims to protect the car between −40°C and 125°C. To convert Celsius temperature to Fahrenheit temperature, the formula is C = 5 over 9 (F − 32). Write and solve the inequality to determine the Fahrenheit temperature range at which this antifreeze protects the car. CHECK MY ANSWER???
Mathematics
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
MeowLover17
  • MeowLover17
−40 < 5 over 9 (F − 32) < 125; −40 < F < 257
MeowLover17
  • MeowLover17
−40 > 5 over 9 (F − 32) > 125; −40 > F > 257 −40 < 5 over 9 (F − 32) < 125; −40 < F < 257 −40 < 5 over 9 (F − 32); −40 < F 5 over 9 (F − 32) < 125; F < 257
MeowLover17
  • MeowLover17
@campbell_st

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MeowLover17
  • MeowLover17
Am i correct?
campbell_st
  • campbell_st
It makes some sense... but its not ideal I'd say you need to convert and get the temps lower \[-40 = \frac{5}{9} (F - 32)~~~so~~~~F = \frac{-40 \times 9}{5} + 32\] same for 125 upper \[125 = \frac{5}{9}(F - 32)~~~or~~~~ F = \frac{125 \times 9}{5}+ 32\] then the inequality is lower < temp < upper
MeowLover17
  • MeowLover17
So what would my answer be?
MeowLover17
  • MeowLover17
http://gyazo.com/72bcd794b3821cbc49db6bcf40eef15a Because for this one i got it right using the same type of setup.
MeowLover17
  • MeowLover17
Hi could you help me?
MeowLover17
  • MeowLover17
@pooja195 @welshfella
campbell_st
  • campbell_st
well if you do the calculations for the temps in Fahrenheit the the antifreeze temp will be between your 2 calculations.
MeowLover17
  • MeowLover17
I got it right, i'll medal and fan you since you responded :D thanks.

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